摘要: 秦皇岛2020CCPC A,E,F,G,I,K A. A Greeting from Qinhuangdao 知识点:简单题 复杂度:$O(logn)$ #include<bits/stdc++.h> using namespace std; #define rep(i,l,r) for(int i 阅读全文
posted @ 2022-11-19 21:08 Apricity_chen 阅读(264) 评论(0) 推荐(1)